/*
 *    Copyright © OpenAtom Foundation.
 *
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *
 *         http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 */

package com.inspur.edp.bef.engine.repository.typetransprocesser;

import com.inspur.edp.cef.api.repository.ITypeTransProcesser;
import com.inspur.edp.cef.entity.condition.FilterCondition;
import java.sql.Connection;

public class VarcharIntTransProcesser implements ITypeTransProcesser {
    private static volatile VarcharIntTransProcesser instance;

    public static VarcharIntTransProcesser getInstacne() {
        if (instance == null) {
            instance = new VarcharIntTransProcesser();
        }

        return instance;
    }

    public VarcharIntTransProcesser(){

    }
    @Override public Object transType(FilterCondition condition, Connection connection) {
        return Integer.parseInt(condition.getValue());
    }

    @Override public Object transType(Object value) {
        return this.transType(value,true);
    }

    @Override
    public Object transType(Object value, boolean isNull) {

        if (value==null || "".equals(value)){
            return null;
        }
        if (value instanceof Integer || value.getClass() == int.class) {
            return value.toString();
        }

        if(value instanceof String){
            return Integer.valueOf(value.toString());
        }
        return  value;
    }
}
